-1.9% is the change from 998 to 979
Calculation steps:
[( 979 - 998 ) ÷ 998] x 100 = -1.9%
Formula
Percentage change = [(979 - 998) / 998] x 100
Subtract the new number by the original number
979 - 998 = -19
-19 ÷ 998 = -0.01903807615230461
-0.01903807615230461 x 100 = -1.9%